<template>
  <div class="dashboard-container">
    <div class="app-container">
      <!-- 靠右的按钮 -->
      <page-tools>
        <template v-slot:after>
          <el-button type="primary" size="small">添加权限</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <el-table border :data="list" row-key="id">
        <el-table-column align="center" label="名称" prop="name">
          <template v-slot="{ row }">
            <i
              v-if="row.pid === '0'"
              style="margin-right: 5px;"
              class="el-icon-folder-opened"
              @click="expend(row)"
            />
            <i
              v-else
              style="margin-right: 5px;"
              class="el-icon-view"
            />
            <span class="right-name">{{ row.name }}</span>
          </template>
        </el-table-column>
        <el-table-column align="center" label="标识" prop="code" />
        <el-table-column align="center" label="描述" prop="description" />
        <el-table-column align="center" label="操作">
          <template v-slot="{row}">
            <el-button v-if="row.type===1" type="text" @click="addPermission(row.id, 2)">添加</el-button>
            <el-button type="text" @click="editPermission(row)">编辑</el-button>
            <el-button type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>

      </el-table>
    </div>

    <!-- 放置一个弹层 用来编辑新增节点 -->
    <el-dialog :title="`${showText}权限点`" :visible="showDialog" @close="btnCancel">
      <!-- 表单 -->
      <el-form ref="perForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="formData.name" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" style="width:90%" />
        </el-form-item>
        <el-form-item label="开启">
          <el-switch
            v-model="formData.enVisible"
            active-value="1"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" type="primary" @click="btnOK">确定</el-button>
          <el-button size="small" :disabled="checkPermission('POINT-USER-DELETE')" @click="btnCancel">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import { tranListToTreeData } from '@/utils/index'
import { getPermissionList, addPermission, updatePermission, delPermission } from '@/api/permission'
import checkPermission from '@/mixin/check-permission'
export default {
  mixins: [checkPermission],
  data() {
    return {
      list: [],
      showDialog: false,
      formData: {
        name: '',
        code: '',
        description: '',
        enVisible: '0',
        type: '',
        pid: ''
      },
      rules: {
        name: [{
          required: true, message: '权限名称不能为空', trigger: 'blur'
        }],
        code: [{
          required: true, message: '权限标识不能为空'
        }]
      }
    }
  },
  computed: {
    showText() {
      return this.formData.id ? '编辑' : '新增'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      const res = await getPermissionList()
      this.list = tranListToTreeData(res, '0')
    },
    addPermission(row, type) {
      this.formData.pid = row.id
      this.formData.type = type
      this.showDialog = true
    },
    editPermission(row) {
      this.formData = { ...row, children: '' }
      this.showDialog = true
    },
    async delPermission(id) {
      await this.$confirm('您确定要删除')
      await delPermission(id)
      this.$message.success('删除成功了')
    },
    btnCancel() {
      this.showDialog = false
      this.formData = {
        name: '',
        code: '',
        description: '',
        enVisible: '0',
        type: '',
        pid: ''
      }
      this.$refs.perForm.resetFields()
    },
    async btnOK() {
      try {
        await this.$refs.perForm.validate()
        if (this.formData.id) {
          await updatePermission(this.formData)
        } else {
          await addPermission(this.formData)
        }
        this.$message.success(`${this.showText}成功`)
        this.getPermissionList()
      } catch (e) {
        console.log(e)
      } finally {
        this.btnCancel()
      }
    }
  }
}
</script>
